package com.wanxi.servlet.user;

import com.alibaba.fastjson2.JSONObject;
import com.wanxi.model.ResultModel;
import com.wanxi.model.UserModel;
import com.wanxi.service.UserService;
import com.wanxi.service.impl.UserServiceImpl;
import com.wanxi.util.Tool;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/back/user/findById")
public class UserFindByIdServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //        1.乱码处理
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
//        2.得到前端的值
        String id = req.getParameter("id");

//        3.封装到model
        UserModel model = new UserModel();
        model.setId(Tool.strToInt(id));

//        4.调用service
        UserService userService = new UserServiceImpl();
//        5.得到返回值
        ResultModel resultModel = userService.findById(model);
//        6.返回给前端
        resp.getWriter().println(JSONObject.toJSONString(resultModel));

    }
}
